Cartier Santos-Dumont ref 4228, a stainless steel wristwatch, recent. Dial: silvered. Calibre: quartz. Case: brushed and polished square-shaped, screw-set bezel, back secured by four screws. Case number: 386553ZX. Closure: Cartier leather strap and stainless steel buckle. Dimensions: 31 mm square. Signed: case, dial and movement. Accessories: none.